Hi Neil, On Tue, Oct 2, 2018 at 1:39 PM Neil Benn <neil.benn@xxxxxxxxx> wrote: > > Hello, > > Thanks for that; I'll change the config file for this and for the > name can that be in the main.conf file? The same for the > discoverable; set the timeout to zero - there is no security needed > for this device at all. Can this all be done with the conf file? > > On the connection; yes it connects. This is a HID device connecting > via L2CAP with the interrupt on 19 and the control on 17 and the > windows PC correctly connects to the device, queries the service > record, identifies it as a HID and connects on both the control and > interrupt psm ports but none of the dbus methods are being called. At > the moment I am using the pybluez library with the BluetoothSocket and > calling listen and accept which is a bit 'manual'. To detect a > disconnect I'm calling hcitool con and parsing the response - which is > again a bit manual. Please see below for my current 'hack': I don't think that will work since the input plugin is already listening in those PSM, in fact I don't think RegisterProfile would parse the values from the record since you don't seem to be using the PSM: https://git.kernel.org/pub/scm/bluetooth/bluez.git/tree/doc/profile-api.txt#n54 Btw, why would you want to replace the HID profile? Is that not working? > --- > #listen for incoming client connections > #ideally this would be handled by the Bluez 5 profile > #but that didn't seem to work > def listen(self): > > print("Waiting for connections") > self.scontrol=BluetoothSocket(L2CAP) > self.sinterrupt=BluetoothSocket(L2CAP) > > self.scontrol.bind((self.MY_ADDRESS,self.P_CTRL)) > self.sinterrupt.bind((self.MY_ADDRESS,self.P_INTR )) > #Start listening on the server sockets > self.scontrol.listen(1) # Limit of 1 connection > self.sinterrupt.listen(1) > > self.ccontrol,cinfo = self.scontrol.accept() > self.controlClientMac = cinfo[0] > self.controlClientPsm = cinfo[1] > print ('control is ' + self.controlClientMac + " " + > str(self.controlClientPsm)) > > self.cinterrupt, cinfo = self.sinterrupt.accept() > self.interruptClientMac = cinfo[0] > self.interruptClientPsm = cinfo[1] > print ('interrupt is ' + self.interruptClientMac + " " + > str(self.interruptClientPsm)) > > thread.start_new_thread(self.check_connection, ()) > > def check_connection(self): > halt = False > while not halt: > stdoutdata = subprocess.check_output(["hcitool", "con"]) > > if self.controlClientMac in stdoutdata.split(): > time.sleep(0.1) > else: > print('got disconnection') > self.scontrol.shutdown(2); > self.sinterrupt.shutdown(2) > halt = True > thread.start_new_thread(self.listen, ()) > > Obviously this is a very clumsy way of doing it and calling back on > the profile is the correct way to do it, I just can't work out why the > profile is not being called. I'm trying to spy on the dbus comms to > see if anything is being sent but I can't see any bluez profile > messages being sent at all. Thanks for your response and any advice > is greatly appreciated. > > Cheers, > > Neil > On Tue, 2 Oct 2018 at 09:37, Luiz Augusto von Dentz > <luiz.dentz@xxxxxxxxx> wrote: > > > > Hi Neil, > > On Tue, Oct 2, 2018 at 1:32 AM Neil Benn <neil.benn@xxxxxxxxx> wrote: > > > > > > Hello, > > > > > > I've been running a dbus-monitor and I can't see the interface being > > > called of 'org.bluez.Profile1' - I can see 'org.bluez.Device1' and > > > I've tried listening to that interface and also on the path with > > > dev_<ADAPTER-MAC> but I'm clearly doing something fundamentally wrong. > > > IF anyone has any advance I'd be very grateful and there is 100 rep > > > points up on Stack Overflow for any advice too! > > > > > > Thanks; it's late here and I'll not be home till gone 1am so I'll be off now! > > > > > > Cheers, > > > > > > Neil > > > On Fri, 28 Sep 2018 at 23:38, Neil Benn <neil.benn@xxxxxxxxx> wrote: > > > > > > > > Hello, > > > > > > > > I'm trying to setup a RPi0 operating a Bluetooth device; I've setup > > > > the device using the following call: > > > > --- > > > > #configure the bluetooth hardware device > > > > def init_bt_device(self): > > > > > > > > print("Configuring for name " + BTKbDevice.MY_DEV_NAME) > > > > > > > > #set the device class to a barcode scanner and set the name > > > > os.system("hciconfig hcio class 0x002560") > > > > os.system("hciconfig hcio name " + BTKbDevice.MY_DEV_NAME) > > > > > > > > #make the device discoverable > > > > os.system("hciconfig hcio piscan") > > > > > > > > You shouldn't be using hciconfig, instead do the following: > > > > The class is automatically set by bluetoothd based on the > > services/profiles registered and the setting in the main.conf: > > > > https://git.kernel.org/pub/scm/bluetooth/bluez.git/tree/src/main.conf#n9 > > > > For the name use D-Bus property Alias: > > > > https://git.kernel.org/pub/scm/bluetooth/bluez.git/tree/doc/adapter-api.txt#n216 > > > > To make the adapter discoverable use D-Bus property Discoverable: > > > > https://git.kernel.org/pub/scm/bluetooth/bluez.git/tree/doc/adapter-api.txt#n252 > > > > > > > > > > Then after that I attempt to setup the profile using the following code: > > > > --- > > > > #set up a bluez profile to advertise device capabilities from a > > > > loaded service record > > > > def init_bluez_profile(self): > > > > > > > > print("Configuring Bluez Profile") > > > > > > > > #setup profile options > > > > service_record=self.read_sdp_service_record() > > > > > > > > opts = { > > > > "ServiceRecord":service_record, > > > > "Role":"server", > > > > "RequireAuthentication":False, > > > > "RequireAuthorization":False, > > > > "Name":BTKbDevice.MY_DEV_NAME, > > > > "AutoConnect":True > > > > } > > > > > > > > #retrieve a proxy for the bluez profile interface > > > > bus = dbus.SystemBus() > > > > self.manager = > > > > dbus.Interface(bus.get_object("org.bluez","/org/bluez"), > > > > "org.bluez.ProfileManager1") > > > > self.profile = BTKbBluezProfile(bus, BTKbDevice.PROFILE_DBUS_PATH) > > > > self.manager.RegisterProfile(BTKbDevice.PROFILE_DBUS_PATH, > > > > BTKbDevice.UUID, opts) > > > > print("Profile registered ") > > > > --- > > > > The sdp record is available from https://textuploader.com/dv8xt. > > > > The profile in question is basically the same as the one defined in > > > > the test-profile as shown below: > > > > --- > > > > class BTKbBluezProfile(dbus.service.Object): > > > > fd = -1 > > > > > > > > @dbus.service.method("org.bluez.Profile1", > > > > in_signature="", out_signature="") > > > > def Release(self): > > > > print("Release") > > > > mainloop.quit() > > > > > > > > @dbus.service.method("org.bluez.Profile1", > > > > in_signature="", out_signature="") > > > > def Cancel(self): > > > > print("Cancel") > > > > > > > > @dbus.service.method("org.bluez.Profile1", in_signature="oha{sv}", > > > > out_signature="") > > > > def NewConnection(self, path, fd, properties): > > > > self.fd = fd.take() > > > > print("NewConnection(%s, %d)" % (path, self.fd)) > > > > for key in properties.keys(): > > > > print ('key ' + key + ' value ' + properties[key]) > > > > if key == "Version" or key == "Features": > > > > print(" %s = 0x%04x" % (key, properties[key])) > > > > else: > > > > print(" %s = %s" % (key, properties[key])) > > > > > > > > @dbus.service.method("org.bluez.Profile1", in_signature="o", > > > > out_signature="") > > > > def RequestDisconnection(self, path): > > > > print("RequestDisconnection(%s)" % (path)) > > > > > > > > if (self.fd > 0): > > > > os.close(self.fd) > > > > self.fd = -1 > > > > > > > > def __init__(self, bus, path): > > > > dbus.service.Object.__init__(self, bus, path) > > > > --- > > > > However it seems like the profile is not being registered, or least > > > > the methods in the profile are not being called. I'm sorry to ask > > > > such a basic question but can someone please point me in the right > > > > direction as to why the profile is either not being registered or the > > > > callbacks on the profile are not being called. > > > > They would be called only when there is a connection to the profile, > > did you actually connect? If this is something like a serial port the > > remote should lookup the SDP record and connect to the channel listed > > there. > > > > > > Thank you very much for reading this far and any and all help is > > > > most appreciated! > > > > > > > > Cheers, > > > > > > > > Neil > > > > > > > > -- > > > > > > > > Neil Benn MSc > > > > Ziath Ltd > > > > Phone: +44 (0) 1223 855021 > > > > http://www.ziath.com > > > > > > > > Please consider the environment before printing this email. > > > > > > > > > > > > -- > > > > > > Neil Benn MSc > > > Ziath Ltd > > > Phone: +44 (0) 1223 855021 > > > http://www.ziath.com > > > > > > Please consider the environment before printing this email. > > > > > > Follow us on Facebook, Twitter or LinkedIn > > > > > > IMPORTANT NOTICE: This message, including any attached documents, is > > > intended only for the use of the individual or entity to which it is > > > addressed, and may contain information that is privileged, > > > confidential and exempt from disclosure under applicable law. If the > > > reader of this message is not the intended recipient, or the employee > > > or agent responsible for delivering the message to the intended > > > recipient, you are hereby notified that any dissemination, > > > distribution or copying of this communication is strictly prohibited. > > > If you have received this communication in error, please notify Ziath > > > Ltd immediately by email at info@xxxxxxxxx. Thank you. > > > > > > > > -- > > Luiz Augusto von Dentz > > > > -- > > Neil Benn MSc > Ziath Ltd > Phone: +44 (0) 1223 855021 > http://www.ziath.com > > Please consider the environment before printing this email. > > Follow us on Facebook, Twitter or LinkedIn > > IMPORTANT NOTICE: This message, including any attached documents, is > intended only for the use of the individual or entity to which it is > addressed, and may contain information that is privileged, > confidential and exempt from disclosure under applicable law. If the > reader of this message is not the intended recipient, or the employee > or agent responsible for delivering the message to the intended > recipient, you are hereby notified that any dissemination, > distribution or copying of this communication is strictly prohibited. > If you have received this communication in error, please notify Ziath > Ltd immediately by email at info@xxxxxxxxx. Thank you. -- Luiz Augusto von Dentz
